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Finding the Fourth Proportional to 29,040.33, 40,075.47 and 16,119.47

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Solution

The fourth proportional to 29,040.33, 40,075.47 and 16,119.47 is: 22,244.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,040.33 : 40,075.47 = 16,119.47 : x
  2. Step 2: Convert to fraction form
    29,040.33/40,075.47 = 16,119.47/x
  3. Step 3: Cross multiply
    29,040.33x = 40,075.47 × 16,119.47
  4. Step 4: Simplify right side
    29,040.33x = 645,995,136.02
  5. Step 5: Solve for x
    x = 645,995,136.02/29,040.33
  6. Step 6: Final answer
    x = 22,244.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.